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H. F. SEYMOUR.

VISE.

APPLICATION FILED OCT. 11,1917.

fl fl h Br ATTORNEY Patented Sept. 2, 1919.

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To all whom it may @h mj q p i My inventiofl l t s to improvements in tion of a machinists bench vise. .c V p I the hollow;

:front jaw, and shank. I

B the back 7 Q ing, by dotted lines wherever. the contour if parts; but deeper'lannealing may' b Imad departing from the spirit of my invention; 7 I I p a Vises in which one and preferably both the jaws are first c'ast hollow and preferably of -malleablepiron and then annealed inside and out andtoughenedT 7 The objects of my improvements: are:

First,to' provide increased surfaoe'for the annealing effect and thus increase malleabil-c 'ityand increase Strength. p Secondfto save mater al and cost and provide a stronger vise,cof lighter weight p 1 should be ofiron that may be best rendered malleable as aforesaid; I obtain the hollow jawsbyjcorework in well known ways; g "I have describedvand illustrated myimat a-low price to the consumer. 1 Other objects willappear from inafter description.

[I attain these objects the mechanism Figure '1, is a vertical ongitudinal "see-1 Fig. 2 is a detailed view of A is the frontjjaw, showing halfthe hollow, '5 I jaw, showing 7 half the hollow, -c a 7 Cis the main screw, J D is-thehandle,

I I a Y Gris thehollow shanlriritegralthe;

front jaw A.

The-inside and outside annealingfiis shown, exaggerated as to depth ofanneal- 1s shown in the drawings, it being-understood that the preferable annealingyinside 1 and outside isonly' skin deep and oovers all surfaces inside and outside of the cast-lron leable by am ealing or ot thehere- WVhat Iclaim and a .js pe eificatibn of e terman. "i at t S t; 2191 Application filed October 11, $17.;- sefia ironea'sssf V Y if I "hollow preferably from iron that maylb'est wise, except the 'main'screw' O and the han- The castings may be made of any desired mixture of iron that ma be rendered mal I herwise, preferably 5 hardiwhite iron or from' other iron that;

lmay' be toughened andstrengthenedby an v 7 nealing and even .the parts" described" ;as"

p p v "I'makethis improved vise in parts casto Be it known that ILIHAROLDTFREEMANF SEYMOUR, a citizen of the United 'States, res siding at Cleveland,inthe county of Cuya- 'hoga and State offOhio, haveinvented a [new and usefulVise 'of which the, following is acc specificationi. i

"be madeimalleable by j'annealing orother' castings may berhollow. forgings of .steel 1 whichjare then treated for malleability in" vways well knowntouthose skilled inthe, art

and not necessary to describe; Q

izWhenthe jawsare cast as I prefer they 1 ,provement as embodied in: a machinists bench vise as a-goodillustrationpand not I asflalimitation,"and I do not particularly- ;describe or illustrate other vises' to which my improvement is equally applicable and claimed. I have embodied it'inblacksmith visesfalso in large numbers on a commerc al scale and have} submitted them iii-both forms tosevere serviceftestsand to 1 Many variations may be-madeinthe'form andiconstruction of; the parts andof the "whole mechanismQaild in the material of which they, are made, and in the methodof Y treatingthe material without departing from the spirit of my invention which in-, 1

heres" in the hollow jaws, one or both annealed and toughened inside and out, in any degree, by; any process. a t v desire cto secure by Letter Patent is: g I

1; Inga vise, hollow metallic jaws and,

shank, annealed on the inside and outside" surfaces; r r Y 

